211422211093 has 2 divisors, whose sum is σ = 211422211094. Its totient is φ = 211422211092.

The previous prime is 211422211087. The next prime is 211422211123. The reversal of 211422211093 is 390112224112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 136780146244 + 74642064849 = 369838^2 + 273207^2 .

It is a cyclic number.

It is not a de Polignac number, because 211422211093 - 2²⁹ = 210885340181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211422211003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105711105546 + 105711105547.

It is an arithmetic number, because the mean of its divisors is an integer number (105711105547).

Almost surely, 2^211422211093 is an apocalyptic number.

It is an amenable number.

211422211093 is a deficient number, since it is larger than the sum of its proper divisors (1).

211422211093 is an equidigital number, since it uses as much as digits as its factorization.

211422211093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 28.

The spelling of 211422211093 in words is "two hundred eleven billion, four hundred twenty-two million, two hundred eleven thousand, ninety-three".